Use when user mentions fantasy, magic system, or world-building for fantastical settings - provides fantasy genre conventions, magic system design patterns, and world-building frameworks
SkillScore82Maintained
Automatic
◆Writing & Editing pack
Last verified 8/21/2026
What it changes
Passed 18 of 22 test cases with the skill, and 15 of 22 without it.
Without skill68%
With skill82%
Checks it passed that the model alone missed
The response includes a grandparent generation section covering events 60-100 years ago.
The response details the physiological cost or limitation of the creature's magic ability.
The response structures the historical timeline using a parent generation period set 30-50 years ago.
and 3 more in the full report
4 fixed14 passed either way3 still failing1 broke
Pass-rate lift
+14 pp
Tokens
+75%
Agent turns
0%
Response time
+5%
Model gemini-3.6-flashMeasured 8/21/2026v118 of 22 cases passed with skill
Tokens, turns and time describe resource use, not a dollar price.
See it in action
One of 4 test cases the skill fixed. Same model, same prompt, with and without the skill.
This skill should be used when managing the file-based todo tracking system in the todos/ directory. It provides workflows for creating todos, managing status and dependencies, conducting triage, and integrating with slash commands and code review processes.